Premium Direct Replacement Gas Cap for Kohler Engines 1422720-S Fits for Toro, Lawn Boy Models XT650, XT675, XT775, HD775, CV173 & More 14-227-20-S Tank Cap Durable & Secure Fit

What It Is

This is a direct replacement gas cap designed for Kohler engines, specifically the OEM part number 1422720-S (also 14-227-20-S). It fits select Toro and Lawn Boy mowers, including the XT650, XT675, XT775, HD775, and CV173 models. It seals the fuel tank to prevent leaks and debris entry.

Fitment & Compatibility

• Check your engine model: This cap fits Kohler Courage, Command, and some single-cylinder engines. Confirm your engine model number (e.g., CV173, XT650) – not just the mower brand.
• OEM vs aftermarket: This is a non-OEM replacement. It matches the original dimensions (approx. 1.5” diameter, 0.5” depth) but may have slight variations in thread pitch or seal thickness.
• Measure your current cap: Compare thread diameter and height. If your cap is taller or shorter, or the threads feel loose, it won’t seal properly.
• Not universal: Does not fit all Kohler engines. Avoid if your cap has a tether or vent valve – this is a simple twist-on cap.

Key Things to Know

• Quality concerns: At $8.99 with only 3 reviews (3.5 stars), expect a basic plastic cap. Some users report the seal can dry out faster than OEM, leading to fuel vapor smell.
• Easy install: No tools needed – just twist off old cap, twist on new one. Hand-tighten only; overtightening can crack the plastic.
• Vent check: Some Kohler caps have a built-in vent. This cap may not vent, which can cause vacuum lock in the tank – check if your original cap had a vent hole.
• Fitment gotcha: If your mower is a Toro with a Kohler engine, it likely fits. But if the mower uses a different engine brand (e.g., Briggs & Stratton), skip this.

Should You Buy It

Buy this cap if you need a quick, cheap replacement for a lost or cracked original, and you’ve verified your engine model matches the list. It’s fine for occasional use, but if you want a longer-lasting seal or need a vented cap, invest in the OEM part (1422720-S) for about $5–10 more.